"ts" : [
    "addr:housenumber=48",
    "addr:street=Mendener Straße",
|ff0000|    "amenity|=restaurant",
    "name=Blumenhof",
    "wheelchair=yes"
],
For now:


'ts' => array(
    '$in' => array(
        new MongoRegex( "/^amenity=/" ),
        new MongoRegex( "/^shop=/" ),
        new MongoRegex( "/^tourism=/" ),
    )
)
Most importantly, this includes pubs ;-)